Table 1.
Baseline characteristics for portal hypertension patients with PH and controls with portal hypertension but without PH, matched by propensity score.
| PH patients (n = 146) | Matched controls (n = 146) | P | |
|---|---|---|---|
| Age, years, mean (SD) | 66.41 (9.30) | 64.22 (10.90) | 0.0655 |
| Female, n (%) | 77 (52.74) | 75 (51.37) | 0.9067 |
| Insurance type, n (%) | |||
| Commercial | 28 (19.18) | 42 (28.77) | |
| Medicare | 118 (80.82) | 104 (71.23) | 0.0747 |
| US geographic region, n (%) | |||
| Midwest | 36 (24.66) | 23 (15.75) | |
| Northeast | 13 (8.90) | 9 (6.16) | 0.1575 |
| South | 65 (44.52) | 80 (54.79) | |
| West | 32 (21.92) | 34 (23.29) | |
| CCI score, mean (SD) | 7.73 (2.14) | 7.62 (2.26) | 0.6707 |
| Liver disease, n (%)* | |||
| Autoimmune hepatitis | 6 (4.11) | 12 (8.22) | 0.2238 |
| Biliary cirrhosis | 12 (8.22) | 10 (6.85) | 0.8245 |
| Cirrhosis | 138 (94.52) | 141 (96.58) | 0.5704 |
| Cirrhosis, alcoholic | 57 (39.04) | 58 (39.73) | 1.00 |
| Cirrhosis, alcoholic + viral hepatitis | 14 (9.59) | 12 (8.22) | 0.8372 |
| Hepatitis C | 35 (23.97) | 33 (22.60) | 0.8899 |
| Non-alcoholic fatty liver disease | 68 (46.58) | 64 (43.84) | 0.7243 |
| Non-alcoholic steatohepatitis† | 20 (13.70) | 20 (13.70) | 1.00 |
CCI: Charlson comorbidity index; PH: pulmonary hypertension; SD: standard deviation.
*
The number of patients with hepatitis B was not reported because the sample size summed across both groups was less than 10.
†
ICD-10-CM code for non-alcoholic steatohepatitis was not available in the US until October 2015.